Results 41 to 50 of about 76,914 (265)

Analysis of alkylphenols, bisphenols and alkylphenol ethoxylates in microbial-fermented functional beverages and bottled water: Optimization of a dispersive liquid-liquid microextraction protocol based on natural hydrophobic deep eutectic solvents.

open access: yesFood Chemistry, 2021
In this work, the analysis of alkylphenols, bisphenols and alkylphenol ethoxylates in bottled waters, kombuchas and water kefir was performed through a vortex-assisted dispersive liquid-liquid microextraction method based on a natural hydrophobic ...
David Baute-Pérez   +4 more
semanticscholar   +1 more source

Comparison of Two Liquid-Liquid Microextractions for the Detection of Crocin in the Saffron and Biological Samples Using UV- Vis Spectrophotometry [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2018
In this work, two approaches based on Dispersive Liquid-Liquid MicroExtraction (DLLME) and Dispersive Liquid-Liquid MicroExtraction based on Solidification of Floating Organic Drop (DLLME-SFO) were compared for the extraction and preconcentration of ...
Somayeh Heydari
doaj  

Combination of flame atomic absorption spectrometry with ligandless-dispersive liquid- liquid microextraction for preconcentration and determination of trace amount of lead in water samples

open access: yesBulletin of the Chemical Society of Ethiopia, 2013
A new ligandless-dispersive liquid–liquid microextraction method has been developed for the separation and flame atomic absorption spectrometry determination of trace amount of lead(II) ion.
Y.M. Baghelani   +2 more
doaj   +1 more source

Ionic Liquid-Based Dispersive Liquid–Liquid Microextraction for the Simultaneous Determination of Carbamazepine and Lamotrigine in Biological Samples

open access: yesActa Chimica Slovenica, 2020
This paper describes a new approach for the determination of carbamazepine and lamotrigine in biological samples by ionic liquid dispersive liquid-phase microextraction prior to high-performance liquid chromatography with ultraviolet detection.
Salumeh Ranjbar   +2 more
doaj   +1 more source

Screen-printed electrode-based electrochemical detector coupled with in-situ ionic-liquid-assisted dispersive liquid–liquid microextraction for determination of 2,4,6-trinitrotoluene [PDF]

open access: yes, 2013
A novel method is reported, whereby screen-printed electrodes (SPELs) are combined with dispersive liquid–liquid microextraction. In-situ ionic liquid (IL) formation was used as an extractant phase in the microextraction technique and proved to be a ...
Banks, Craig E.   +5 more
core   +2 more sources

Dispersive Liquid–Liquid Microextraction for the Quantitation of Terpenes in Wine [PDF]

open access: yesJournal of Agricultural and Food Chemistry, 2020
To study the contribution of yeasts to the formation of terpene derivatives during winemaking, a dispersive liquid-liquid microextraction gas chromatography mass spectrometry method was developed for the quantitation of terpenes in white wines, synthetic wine, and a fermented synthetic medium.
Bergler, G.   +7 more
openaire   +4 more sources

Determination of Gold in Various Environment Samples by Flame Atomic Absorption Spectrometry Using Dispersive Liquid–Liquid Microextraction Sampling

open access: yesCroatica Chemica Acta, 2015
A new dispersive liquid–liquid microextraction separation/preconcentration procedure as a rapid sample-preparation technique is proposed for detection of ultra trace amounts of Au(III) in various media by flame atomic absorption spectrometry using 1,5 ...
Şerife Saçmacı   +2 more
doaj   +1 more source

Shaping Carbon Nitrides for Advanced Macrostructures

open access: yesAdvanced Materials Technologies, EarlyView.
This review examines how carbon nitride can be shaped through a range of printing and interfacial assembly methods. By bringing together additive manufacturing and liquid–liquid structuring concepts, carbon nitride is moving beyond its traditional powder‐based photocatalyst form toward digitally designed robust macroscale architectures with high design
Simona Baluchová, Baris Kumru
wiley   +1 more source

Determination of Escitalopram in Biological Samples by Dispersive Liquid-Liquid Microextraction Combined with GC-MS/MS [PDF]

open access: yesFayixue Zazhi, 2020
Objective To establish a method for determination of escitalopram in biological samples by ultrasound-assisted ionic liquid-dispersive liquid-liquid microextraction combined with gas chromatography-tandem mass spectrometry (GC-MS/MS) and provide ...
GUAN Qing-lin, XIE Wen-kai, Lü Chen-xi, et al
doaj   +1 more source

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